>> reporter: midland, only about 115,000 people, 30 miles west of dallas. there were a number of prayer vigils held there. this was a large annual event. lots of people lined the streets to watch this accident unfold. four troops were killed. two people we main in the hospital today. one stable, one still critical. >> reporter: want to take you live to gaza city. the fighting continues and both sides say they will not budge. will we see an allout war in the middle east? martha: scott walker joining a dozen republican governors as the states square off against washington. we'll be right back. [ male announcer ] are you considering a new medicare plan? then you may be looking for help in choosing the right plan for your needs. so don't wait. call now. whatever your health coverage needs, unitedhealthcare can help you find the right plan. open enrollment to choose your medicare coverage begins october 15th and ends december 7th. so now is the best time to review your options and enroll in a plan. medicare has two main parts, parts a and b, to help cover a lot